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Integrate Google Chat with Martini

Connect Google Chat with enterprise systems through Martini using Google's REST APIs, incoming webhooks, interactive Chat app endpoints, and Google Workspace Events delivered through Cloud Pub/Sub. Build notification flows, incident workflows, message synchronization, approval processes, and API-led integrations with controlled authentication, transformation, pagination, and error handling.

Integration PointSupported by Google ChatCommon use casesHow Martini supports it
Reporting and analytics extractionYes, for selected API resourcesArchive conversation activity for operational reporting, analyze incident communications, or export space and membership metadata for governance workflows.Martini can call paginated Google Chat REST list and retrieval methods, transform messages, spaces, memberships, reactions, or supported read-state data, and load the results into reporting or analytics systems. Access remains subject to the selected identity and scopes.
Bulk and batch operationsNo general bulk APIProcess a controlled set of messages, spaces, or memberships through an orchestrated workflow. Use rate limiting and retry handling for larger administrative or reconciliation jobs.The supplied Google Chat documentation does not identify a general-purpose bulk API. Martini can orchestrate repeated REST requests, paginate list methods, and control throughput, but each operation must respect Google Chat permissions and quotas.
Incremental export APIsYes, for selected APIsRecover messages after an event-processing outage, reconcile recent message changes, or perform time-bounded exports where the selected method supports the required filters.Google Chat list methods support pagination, and relevant workflows can use supported filters, timestamps, or stored resource state for reconciliation. For near-real-time changes, Google Workspace Events with Pub/Sub is generally more suitable than repeated polling.
WebhooksYes, outbound onlySend monitoring alerts, deployment updates, incident notifications, and scheduled operational summaries to a fixed Chat space.Martini can send message payloads to Google Chat incoming webhook URLs over HTTPS. Incoming webhooks are tied to a specific space and support one-way delivery only; they cannot receive replies or interactive events.
REST APIsYesSelect spaces dynamically, create threaded incident updates, synchronize messages with tickets, manage permitted memberships, and retrieve resource details after events.Martini can integrate with the Google Chat REST API at `https://chat.googleapis.com/v1/` using authenticated HTTP requests. Services can handle spaces, messages, memberships, reactions, attachments, pagination, and other documented resources according to the authentication model and scopes.

Exposes data and business events

Google Chat REST APIs

Use the Google Chat REST API to list spaces, read messages, create or update messages, manage memberships, and process reactions. This approach is suitable when Martini needs authenticated request and response control.

How This works in Martini

Martini services call the Google Chat REST API over HTTPS, apply OAuth 2.0 or service-account-based authentication, handle pagination and response mapping, and route the resulting data to downstream systems or follow-up workflow steps.

Example Martini workflow

Receive trigger
Authenticate request
Call Chat API
Map response

Google Chat Webhooks

Incoming webhooks provide a simple one-way mechanism for posting text, cards, links, or status updates to a specific Google Chat space. They do not support reading Chat data or receiving replies and button clicks.

How This works in Martini

Martini transforms an event from an application, database, monitoring system, or API into the required message payload and sends it to the protected webhook URL over HTTPS. The workflow records the delivery response and routes failures for retry or review.

Example Martini workflow

Receive event
Build message
Post webhook
Record result

Google Chat Events

Google Workspace Events subscriptions can deliver Google Chat message, reaction, membership, and space changes through a Google Cloud Pub/Sub topic. This supports event-driven synchronization without repeatedly polling Chat.

How This works in Martini

Google delivers an event to Pub/Sub, Martini consumes and validates the event, routes it according to the event type, and optionally calls the Chat API to retrieve resource details or post a response. Idempotent processing and recovery queries help handle duplicate or missed deliveries.

Example Martini workflow

Consume Pub/Sub
Validate event
Route change
Sync records

Chat App Interactions

An interactive Google Chat app can send mentions, commands, and card interactions to an HTTPS endpoint. Martini can validate the event, invoke an external business process, and return a synchronous response or post an asynchronous result.

How This works in Martini

Martini exposes an HTTPS service for the configured Chat app endpoint, parses the interaction payload, invokes downstream APIs or workflows, and returns a Chat message object when a direct response is required. Subsequent asynchronous calls use the appropriate Google authentication model.

Example Martini workflow

Receive interaction
Parse command
Call system
Return response

Common Integration Patterns

Pattern 1

When to use this pattern

Use this pattern when teams need operational alerts and status updates in a fixed Google Chat space. Choose an authenticated API call instead of a webhook when the workflow needs dynamic space selection, threads, mentions, or richer resource control.

Data Flow
Monitoring system
Martini
Google Chat
Example Mapping
Google Chat FieldCanonical FieldTarget Field
Message.textincident_titleMessage.text
Message.cardsV2 or Message.text linkincident_urlMessage.cardsV2 or Message.text link
Message.text or card widgetseverityMessage.text or card widget
Martini Implementation

Martini receives an incident event from a monitoring or operational system, maps the event into a Google Chat message payload, and sends it through an incoming webhook or the authenticated messages create method. The workflow records the response and can route failures to retry or dead-letter processing.

Martini features used:
  • HTTP integration
  • Data mapping
  • Workflow orchestration
  • Retry handling

Pattern 2

When to use this pattern

Use this pattern to synchronize Chat activity with ticketing, compliance, archival, or CRM systems. It is preferable to constant polling when supported Chat events provide the changes the downstream process requires.

Data Flow
Google Chat
Google Cloud Pub/Sub
Martini
Service desk
Example Mapping
Google Chat FieldCanonical FieldTarget Field
Space.nameconversation_idTicket.external_conversation_id
Message.namemessage_idTicket.external_message_id
Message.textmessage_bodyTicket.description or comment.body
Workspace event timestampevent_timeTicket.last_synchronized_at
Martini Implementation

A Google Workspace Events subscription delivers Chat changes to a Google Cloud Pub/Sub topic. Martini consumes the event, identifies the affected resource, prevents duplicate processing using event or resource state, and calls the Chat API when additional details are needed before creating or updating a service-desk record.

Martini features used:
  • Pub/Sub event consumption
  • Event routing
  • Data mapping
  • Idempotent processing
  • API reconciliation

Pattern 3

When to use this pattern

Use this pattern for Chat-based approvals, order lookups, support-ticket creation, deployment commands, or other workflows initiated by mentions, slash commands, or card interactions. An incoming webhook alone is insufficient because it cannot receive user interaction events.

Data Flow
Google Chat
Martini
Business application
Google Chat
Example Mapping
Google Chat FieldCanonical FieldTarget Field
Interaction event userrequesterBusiness application requester
Interaction event command or actioncommandBusiness application operation
Business application resultapproval_resultMessage.text or card response
Interaction event space and messagesource_referenceBusiness application correlation fields
Martini Implementation

Martini receives an interactive Chat app event through an HTTPS endpoint, validates and parses the command or card action, invokes the relevant business API, and returns a synchronous Chat message when appropriate. For longer-running work, Martini can post an asynchronous result through the authenticated Chat API.

Martini features used:
  • HTTPS service
  • Workflow orchestration
  • HTTP integration
  • Data mapping
  • Synchronous response handling

How to build a Google Chat integration in Martini

Objective

Establish the integration boundary before building the Martini service. The access model determines which Google Chat spaces, messages, memberships, and administrative resources can be used.

Instructions in Martini

  • Define the business event and target Chat behavior.
  • Choose between a webhook, REST API, Workspace Events subscription, or interactive Chat app endpoint.
  • Identify whether the workflow acts as a Workspace user, Chat app, or fixed webhook sender.
  • List the Google Chat resources and operations required.

Objective

Prepare secure access to Google Chat. Avoid treating webhook URLs as public values, and account for administrator approval or Google verification where the selected scopes require it.

Instructions in Martini

  • Configure the Google Cloud project and enable the required Google Chat capabilities.
  • Set up OAuth client configuration, a service account, or an incoming webhook as appropriate.
  • Request the narrowest scopes needed for the workflow.
  • Store tokens, credentials, and webhook URLs in protected Martini configuration or secret-management infrastructure.

Objective

Implement the core data exchange and transformation logic. Keep vendor-specific resource names and response fields explicit so the integration remains maintainable as downstream mappings evolve.

Instructions in Martini

  • Create the Martini service inputs and outputs.
  • Build HTTPS requests to the Google Chat REST API or webhook URL.
  • Map spaces, messages, memberships, reactions, attachments, and event payloads into the required internal structures.
  • Implement pagination, thread correlation, and client-assigned identifiers where useful.

Objective

Add event-driven and interactive behavior when the integration must react to Chat changes or user actions rather than only send scheduled or request-driven messages.

Instructions in Martini

  • Subscribe to the required Google Chat events through Google Workspace Events and Pub/Sub when event-driven processing is needed.
  • Consume and validate Pub/Sub messages in Martini.
  • Route changes by event type and optionally retrieve full resources through the Chat API.
  • Return direct Chat responses for interactive requests or post asynchronous results.

Objective

Validate operational behavior before deployment. Testing should cover both successful API flows and the permission, quota, preview-feature, and delivery conditions that can affect Google Chat integrations.

Instructions in Martini

  • Test authentication with each intended identity model.
  • Test message formatting, cards, mentions, attachments, threads, and permissions in the target Chat configuration.
  • Verify pagination and duplicate-event behavior.
  • Configure rate limiting, exponential backoff, dead-letter handling, and recovery reconciliation.

Common Data Objects used in integrations

ObjectTypical UseCommon target systemsMartini handling
SpaceResolve a destination space, synchronize metadata, or create a case- or incident-specific conversation.Incident management, service desk, CRM, data warehouseMartini can retrieve, create, update, delete, and route space data through authenticated REST API calls, subject to the caller's identity and scopes.
MessagePublish notifications, synchronize conversations, update incident status, or archive messages.Ticketing systems, archives, compliance stores, monitoring platformsMartini can create, list, retrieve, update, delete, and reply to messages, while mapping text, cards, links, mentions, threads, and attachments as required.
MembershipAdd or remove participants, identify space members, or react to membership events.Identity systems, service desks, collaboration directoriesMartini can process membership data and invoke membership operations when the selected authentication model and scopes permit them.
ReactionTreat an emoji reaction as an acknowledgement or lightweight status signal, with appropriate audit limitations.Approval workflows, ticketing systems, audit storesMartini can create, delete, and list reactions through authenticated Chat API calls and map reactions to workflow signals.
AttachmentPreserve message attachments or associate shared files with an incident, ticket, or record.Document stores, content management systems, archivesMartini can map attachment metadata included in messages and route files for separate retrieval or downstream storage when permissions allow.
Read stateSupport unread-state reporting or workflow logic based on supported read-state information.Analytics platforms, workflow systems, reporting storesMartini can consume supported user and thread read-state resources through authenticated API calls when the required scopes and use case are available.

Authentication and security considerations

Authentication models

Martini can integrate with Google Chat through OAuth 2.0 user authentication, service-account-based Chat app authentication, or an incoming webhook for one-way message delivery. The selected model determines which spaces, messages, memberships, and administrative resources are available.

  • OAuth 2.0: Use user access and refresh tokens with the narrowest required Google Chat scopes.
  • Service account: Authenticate as a Google Chat app for resources the app is permitted to access.
  • Incoming webhook: Store the generated webhook URL securely when Martini only needs to post messages to one configured space.

Store OAuth client secrets, refresh tokens, service-account credentials, and webhook URLs in protected Martini configuration or secret-management infrastructure. API keys are not a substitute for OAuth authorization for protected Chat resources.

Scope and permission management

Request only the scopes required by the integration. Message, space, membership, and administrator scopes provide different levels of access, and some message-related scopes or app-specific scopes may require Google verification or administrator approval.

Operation considerations

Event processing

Design Pub/Sub event consumers to be idempotent because deliveries may be repeated. Persist event identifiers, resource names, or timestamps where appropriate, and provide a recovery path that queries the Chat API after outages or missed events.

Pagination and synchronization

Many Google Chat list methods return a nextPageToken. Martini workflows should continue requesting pages until no token remains. For recurring synchronization, prefer Workspace Events where practical and use supported filters or stored timestamps for reconciliation.

Quotas and retries

Google Chat applies per-space and per-project quotas. Implement rate limiting, retry handling with exponential backoff, and dead-letter processing for failed messages or event deliveries.

Message behavior

Decide whether each update should create a top-level message, reply in an existing thread, or update a previously created message. Store Google Chat resource names and, where useful, use client-assigned message IDs to correlate outbound messages and reduce duplicate creation.

Feature availability

Some methods and capabilities, including certain search and administrative features, may be Developer Preview or dependent on the target Google Workspace environment. Validate the exact message structure, card behavior, authentication context, and permissions before using them in production.

Why use Martini

Enterprise integration control

Martini provides a structured way to connect Google Chat with applications, APIs, databases, files, and messaging systems. Developers can combine reusable services, transformations, workflow orchestration, scheduling, event handling, and custom JVM-compatible logic when the integration requires more than a straightforward HTTP call.

Flexible Google Chat access

Use authenticated Google Chat REST APIs for resource-level control, incoming webhooks for fixed-space notifications, Workspace Events and Pub/Sub for event-driven synchronization, or an interactive Chat app endpoint for commands and approvals. Martini lets these mechanisms participate in the same maintainable integration workflows.

Reliable processing

Build pagination, mapping, correlation, retries, rate limiting, idempotency, and recovery paths into the integration. This supports practical use cases such as incident notification, service-desk synchronization, message archiving, approval workflows, and operational automation.

Frequently asked questions

Can Martini send Google Chat messages without OAuth?

Yes. Martini can post through a Google Chat incoming webhook without OAuth. The webhook is limited to one configured space and cannot read Chat data or receive interactive events. OAuth or Chat app authentication is required for general API access.

Can Martini read Google Chat messages?

Yes. Martini can call authenticated Google Chat REST methods to retrieve and list messages. The available data depends on whether the request uses user authentication or Chat app authentication and on the granted scopes.

Can Martini receive Google Chat events in real time?

Yes. Google Workspace Events API subscriptions can deliver Chat events through Google Cloud Pub/Sub. Martini can consume these events and optionally query the Chat API for additional resource details.

Can an incoming webhook receive replies or button clicks?

No. Incoming webhooks are one-way message senders. Mentions, slash commands, card clicks, and other interactive events require an interactive Chat app endpoint or another supported event delivery configuration.

Can Martini create Google Chat spaces?

Yes, when the authentication model and scopes permit it. User authentication supports space creation, while broader app-authenticated creation may require app-specific scopes and administrator approval.

Can Martini add users to a Chat space?

Yes, where the caller has the required permissions. Membership operations vary by user, Chat app, and administrator authorization, and dedicated membership scopes may be required.

Does Google Chat provide GraphQL or a bulk API?

The documented Google Chat interfaces are REST and gRPC, together with webhooks, interactive app endpoints, and Workspace Events with Pub/Sub. The supplied documentation does not identify a GraphQL or general-purpose bulk API.

How should Martini synchronize Google Chat messages?

Use Workspace Events subscriptions for event-driven processing where practical. For reconciliation and recovery, use paginated message listing or supported search methods, while accounting for message categories that search may omit.

Related Martini documentation

APIs

Workflows

Security

Data

Deployment

Build Google Chat workflows with Martini

Use Martini to connect Google Chat with business applications, APIs, databases, monitoring platforms, and enterprise workflows. Choose REST APIs, webhooks, interactive app endpoints, or Pub/Sub-delivered Workspace Events according to the required access and event model.

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